Quantitative aptitude (mathematics) books in a set. Volume 1 has explanations of the topics and volume 2 is exercise book with answers given at the end. Kindly check the pictures of the index to see the topics. The explanations are given in short, not in details. Vol 1 has 82 pages and vol 2 has 210 pages. These are very old books from 2014 but the topics are still relevant to practice for various competitive exams. There are no pen marks, missing pages etc. Some ticks made with pencil on the index. Pages look a bit yellowed since the books are very old but otherwise these are in a good condition. Vol 2 last page and back cover a bit torn on upper left corner but all of the content is visible. (English medium books).